Milan-born Luigi Piotti was primarily a sports car specialist who nevertheless entered eight grands prix as a Masarati-driving privateer between 1956 and 1958. His moment in the sun came at Monza in 1956 when he pushed Stirling Moss' Masarati 250F to the pits after it had run out of fuel. Moss faced disqualification for receiving outside assistance but stewards ruled Piotti was an informal member of the Masarati team.